21298023

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3379

約数の個数: 24

約数和(自身を含む): 33146880

約数和(自身を除く): 11848857

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3319, 6417, 9957, 29871, 76337, 102889, 229011, 308667, 687033, 926001, 2366447, 7099341, 21298023]

約数ペア:

[(1, 21298023), (3, 7099341), (9, 2366447), (23, 926001), (31, 687033), (69, 308667), (93, 229011), (207, 102889), (279, 76337), (713, 29871), (2139, 9957), (3319, 6417)]